Malicious PDF — malware analysis report

Static analysis result for SHA-256 2e0ca1263155b44d…

MALICIOUS

PDF

85.8 KB Created: 2021-03-20 16:02:38 +02:00 Authoring application: wkhtmltopdf 0.12.5 (via Qt 4.8.7)
MD5: b94814c8f2db9a21c54f00f90f6c955f SHA-1: b604cc1aded3d2bdd1fc7248232b2383b3e39e21 SHA-256: 2e0ca1263155b44dc90469cca9536e500d65d97e5b9d8086d2b54f8001981061
96 Risk Score

Malware Insights

MITRE ATT&CK
T1566.001 Spearphishing Attachment T1059.007 JavaScript

The PDF file was detected as malicious by ML classifiers and ClamAV, indicating a phishing or trojan payload. It contains an embedded URI pointing to a suspicious domain, likely intended to host a malicious payload or phishing page. The document body, though heavily obfuscated, contains metadata suggesting it was generated by wkhtmltopdf, a tool sometimes used to create malicious PDFs.

Machine Learning

  • Nyx PDF Classifier malicious score 0.9950

Heuristics 4

  • ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
    ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
  • External URI info PDF_URI
    PDF contains an external URL action
  • Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
    The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
  • Embedded URL info EMBEDDED_URL
    One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
    URL https://mezovuduw.ru/wix?keyword=magician%2527s+quest+mysterious+times
    • https://cdn.sqhk.co/rusukumuva/hdjjpsP/80698543041.pdf
    • http://pankreatitum.ru/blackbird_fly_beatles_chordswbsx9.pdf
    • https://static.s123-cdn-static.com/uploads/4410418/normal_5fcf47c5d053e.pdf
    • http://lorozetuwivu.medianewsonline.com/1975_evinrude_9.9_service_manual.pdf
    • http://cucoupon.info/87513355179l5yho.pdf
    • http://instahelpforbusiness.com/gerinexox7qtcc.pdf
    • https://cdn-cms.f-static.net/uploads/4374698/normal_603344072395e.pdf
    • https://cdn.sqhk.co/jasojime/bGihapo/skin_cartoon_cat_among_impostore.pdf
    • https://cdn.sqhk.co/bumegukomuza/jijigRI/electrical_wire_size_calculator_dc.pdf
    • http://dekoriribazovax.mywebcommunity.org/vodogitagopefonovad.pdf
    • http://puvinizozibejir.mygamesonline.org/ball_screw_hiwin.pdf
    • https://cdn-cms.f-static.net/uploads/4374371/normal_602e25d6b8996.pdf
    • https://cdn.sqhk.co/bikegola/igi0igx/fowikuwenugaxafufesekus.pdf
    • https://cdn.sqhk.co/fakupavod/JGhfidP/puvazaz.pdf
    • https://cdn.sqhk.co/jizuxadif/wkcPLjb/78545700216.pdf
    • https://cdn-cms.f-static.net/uploads/4492593/normal_60407d9223739.pdf
    • https://cdn.sqhk.co/foropogajag/qbYjauf/cinelux_theatres_gilroy.pdf
    • https://cdn.sqhk.co/pajubopolak/a5jjJii/pac-_man_and_the_ghostly_adventures_characters.pdf
    • https://cdn-cms.f-static.net/uploads/4405437/normal_603a8f5235eb3.pdf
    • https://cdn.sqhk.co/dugubupa/eugghb1/1855739118.pdf
    • http://nupewijanetari.medianewsonline.com/evento_cerebrovascular.pdf
    • https://cdn.sqhk.co/rujiwujik/fYijyjh/animal_supply_house_locations.pdf
    • http://uscreditinquiry.info/what_does_the_phrase_split-second_timing_meanocnoq.pdf
    • http://www.ascendercorp.com/
    • http://www.ascendercorp.com/typedesigners.html
    • https://uploads.strikinglycdn.com/files/78b83161-05ea-4871-8a36-828bfc1b1820/12227780082.pdf
    • https://uploads.strikinglycdn.com/files/ec773b42-908a-41e6-9c17-1e00ea6c1e70/dazitepegifetibi.pdf
    • https://uploads.strikinglycdn.com/files/6e6b5a30-1764-491e-97a1-8fd377f7b777/11919744888.pdf
    • http://pabewuvuxaf.onlinewebshop.net/identify_the_three_phases_of_mitosis_in_the_following_photomicrographs.pdf
    • https://uploads.strikinglycdn.com/files/16c0c4c5-05ca-4522-85d1-967ba9e4dec3/crossfit_level_1_training_guide_hard_copy.pdf
    • http://www.w3.org/1999/02/22-rdf-syntax-ns#
    • http://purl.org/dc/elements/1.1/
    • http://ns.adobe.com/pdf/1.3/
    • http://ns.adobe.com/xap/1.0/
    • http://ns.adobe.com/xap/1.0/mm/
    • http://ns.adobe.com/xap/1.0/rights/
    • http://scripts.sil.org/OFL

Extracted artifacts 3

Files carved from inside the sample during analysis.

FilenameKindSourceSize
font_00_sfnt_off0000fa4d.bin
026c45f86508f4006f9748074d49cebc64b00df0b9595f604339edb570b86c7a		 pdf-font-stream PDF embedded font (sfnt) at offset 0xFA4D 6060 bytes
font_01_sfnt_off00010f3e.bin
50e6b768d498823eae9cf2c9784b562237e000dd29cfe7f6b30a3f26d5f4f77b		 pdf-font-stream PDF embedded font (sfnt) at offset 0x10F3E 5352 bytes
font_02_sfnt_off0001217b.bin
3b2ef3091cca7c1e97589ff60244443bd18bab959c5e66e5cae87fab76336b56		 pdf-font-stream PDF embedded font (sfnt) at offset 0x1217B 12156 bytes

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